cpachecker/bin/cpachecker --svcomp24 --heap 10000M --benchmark --option cpa.arg.yamlProofWitness=witness-%s.yml --option witness.yamlexporter.witnessVersions=V2d1,V2 --timelimit 900s --stats --spec sv-benchmarks/c/properties/unreach-call.prp --32 sv-benchmarks/c/recursive-with-pointer/simple-recursive.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 10000M. Running CPAchecker with default stack size (1024k). Specify a larger value with --stack if needed. Language C detected and set for analysis (CPAMain.detectFrontendLanguageIfNecessary, INFO) Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 3.1-svn-5f8d539e99+ / svcomp24 (OpenJDK 64-Bit Server VM 17.0.9) started (CPAchecker.run, INFO) Parsing CFA from file(s) "sv-benchmarks/c/recursive-with-pointer/simple-recursive.c" (CPAchecker.parse, INFO) Using heuristics to select analysis (CoreComponentsFactory.createAlgorithm, INFO) The following configuration options were specified but are not used: cpa.callstack.unsupportedFunctions termination.violation.witness cpa.predicate.memoryAllocationsAlwaysSucceed cpa.arg.compressWitness cpa.arg.yamlProofWitness cpa.callstack.skipFunctionPointerRecursion counterexample.export.yaml cpa.composite.aggregateBasicBlocks counterexample.export.graphml counterexample.export.compressWitness cpa.arg.proofWitness witness.yamlexporter.witnessVersions (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Performing heuristic ... (SelectionAlgorithm.chooseConfig, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:ResourceLimitChecker.fromConfiguration, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:PredicateCPA:PredicateCPA., INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Skipping recursive function call from plus to foo (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:TargetLocationProvider:CallstackCPA:CallstackTransferRelation.getAbstractSuccessorsForEdge, WARNING) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:AbstractBMCAlgorithm.run, INFO) Recursion detected, aborting. To ignore recursion, add --skip-recursion to the command line. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:CallstackCPA:CallstackTransferRelation.getAbstractSuccessorsForEdge, INFO) Warning: Analysis 1 not completed. (line 8: Unsupported feature (recursion): foo(p);) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:CallstackTransferRelation.getAbstractSuccessorsForEdge, WARNING) Statistics for algorithm 1 of 4 =============================== Total time for algorithm 1: 0.335s PredicateCPA statistics ----------------------- Number of abstractions: 1 (4% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 0 (0%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 1 (100%) Times precision was empty: 1 (100%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 0 (0%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 0 Number of coverage checks: 0 BDD entailment checks: 0 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 7 Avg ABE block size: 7.00 (sum: 7, count: 1, min: 7, max: 7) Number of predicates discovered: 0 Time for post operator: 0.042s Time for path formula creation: 0.042s Time for strengthen operator: 0.000s Time for prec operator: 0.000s Time for abstraction: 0.000s (Max: 0.000s, Count: 1) Solving time: 0.000s (Max: 0.000s) Model enumeration time: 0.000s Time for BDD construction: 0.000s (Max: 0.000s) Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.000s Total number of created targets for pointer analysis: 0 KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- Bounds CPA statistics --------------------- Bound k: 1 Maximum loop iteration reached: 0 ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 26, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 26, min: 0, max: 0) Number of assumptions: 4 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 25 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.001s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.002s Automaton transfers with branching: 0 Automaton transfer successors: 0.96 (sum: 25, count: 26, min: 0, max: 1) [0, 1 x 25] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 25 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.00 (sum: 0, count: 20, min: 0, max: 0) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 20, min: 0, max: 0) LoopIterationSortedWaitlist: 0.00 (sum: 0, count: 20, min: 0, max: 0) CallstackSortedWaitlist: 5.00 (sum: 5, count: 1, min: 5, max: 5) Number of computed successors: 25 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 0.071s (Max: 0.071s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.002s Time for transfer relation: 0.065s Time for stop operator: 0.001s Time for adding to reached set: 0.001s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.073s CPA algorithm statistics ------------------------ Number of iterations: 25 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.00 (sum: 0, count: 20, min: 0, max: 0) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 20, min: 0, max: 0) LoopIterationSortedWaitlist: 0.00 (sum: 0, count: 20, min: 0, max: 0) CallstackSortedWaitlist: 5.00 (sum: 5, count: 1, min: 5, max: 5) Number of computed successors: 25 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 0.071s (Max: 0.071s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.002s Time for transfer relation: 0.065s Time for stop operator: 0.001s Time for adding to reached set: 0.001s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.073s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties': 'limits.time.cpu::required' has two values '900' and ''. Using ''. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:ResourceLimitChecker.fromConfiguration, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant) and JFactory 1.21. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMPredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with BAMPredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMPredicateCPA:PredicateCPARefiner., INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint was not reached, starting new iteration 1 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because we did not get new states (fixpoint reached). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) Ignoring restart configuration '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties' because condition if-concurrent did not match. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) Selection Algorithm statistics ------------------------------ Size of preliminary analysis reached set: 0 Used algorithm property: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.0000 Requires alias handling: 1 Requires loop handling: 0 Has a single loop: 0 Requires composite-type handling: 0 Requires array handling: 0 Requires float handling: 0 Requires recursion handling: 0 Relevant addressed vars / relevant vars ratio: 0.1429 Program containing external functions: true Number of all righthand side functions: 5 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 4 Number of algorithms used: 3 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 3: 5.264s BAMCPA statistics ----------------- Number of blocks: 4 Max reached nesting level: 23 Time for building block partitioning: 0.006s Time for reducing abstract states: 0.067s Time for expanding abstract states: 0.044s Time for reducing precisions: 0.024s Time for expanding precisions: 0.019s Number of created nested algortihms: 176 Nesting level of target states with caching: 7.54 (#=143, min=0, max=22, hist=[0 x 11, 1 x 11, 2 x 11, 3 x 10, 4 x 10, 5 x 9, 6 x 9, 7 x 8, 8 x 8, 9 x 7, 10 x 7, 11 x 6, 12 x 6, 13 x 5, 14 x 5, 15 x 4, 16 x 4, 17 x 3, 18 x 3, 19 x 2, 20 x 2, 21, 22]) Nesting level of target states without caching: 15.08 (#=143, min=2, max=22, hist=[16 x 17, 2 x 3, 18 x 19, 4 x 5, 20 x 21, 6 x 7, 22 x 23, 8 x 9, 10 x 11, 12 x 13, 14 x 15]) BAM-based Refinement: Compute path for refinement: 0.020s Constructing flat ARG: 0.013s Searching path to error location: 0.007s Removing cached subtrees: 0.007s Number of refinements with a missing block: 0 Number of started refinements: 11 Number of spurious counterexamples: 11 Number of precise counterexamples: 0 Block statistics: Analyzed blocks: 3 Avg. time for block analysis: 1.711s Mean time for block analysis: 0.925s Min time for block analysis: 0.724s Max time for block analysis: 3.486s StdDev time for block analysis: 1.257s Total time for block analysis: 5.135s Time for main block: 3.486s ([N26]) BAMCache statistics ------------------- Total size of all ARGs: 1195 (#=143, avg=8.36, dev=1.36, min=7, max=16) Total number of recursive CPA calls: 178 Number of cache misses: 143 (80% of all calls) Number of partial cache hits: 12 (7% of all calls) Number of full cache hits: 23 (13% of all calls) Time for checking equality of abstract states: 0.001s (Calls: 46) Time for computing the hashCode of abstract states: 0.004s (Calls: 331) ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 2, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 2, min: 0, max: 0) Number of assumptions: 308 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 1196 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.003s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 PredicateCPA statistics ----------------------- Number of abstractions: 538 (53% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 176 (33%) Because of loop head: 0 (0%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 0 (0%) Times precision was empty: 172 (32%) Times precision was {false}: 76 (14%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 290 (54%) Times result was 'false': 66 (12%) Number of strengthen sat checks: 0 Number of coverage checks: 653 BDD entailment checks: 653 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 4 Avg ABE block size: 1.76 (sum: 947, count: 538, min: 0, max: 4) Number of predicates discovered: 43 Number of abstraction locations: 6 Max number of predicates per location: 11 Avg number of predicates per location: 7 Total predicates per abstraction: 2003 Max number of predicates per abstraction: 11 Avg number of predicates per abstraction: 5.47 Number of irrelevant predicates: 76 (4%) Number of preds handled by boolean abs: 1927 (96%) Total number of models for allsat: 1258 Max number of models for allsat: 11 Avg number of models for allsat: 4.34 Time for post operator: 0.076s Time for path formula creation: 0.073s Time for strengthen operator: 0.006s Time for prec operator: 1.197s Time for abstraction: 1.165s (Max: 0.017s, Count: 538) Boolean abstraction: 0.517s Solving time: 0.346s (Max: 0.005s) Model enumeration time: 0.144s Time for BDD construction: 0.038s (Max: 0.001s) Time for coverage checks: 0.002s Time for BDD entailment checks: 0.002s Total time for SMT solver (w/o itp): 0.490s Number of path formula cache hits: 2145 (90%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.080s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 5697 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 1.25 (sum: 16524, count: 13206, min: 0, max: 8828) Time for BDD node cleanup: 0.011s Time for BDD garbage collection: 0.000s (in 0 runs) KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.020s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 1019, count: 1019, min: 1, max: 1) [1 x 1019] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 13 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 13, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 12, min: 0, max: 0) Number of computed successors: 13 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1 Number of times breaked: 11 Total time for CPA algorithm: 1.781s (Max: 0.295s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.000s Time for transfer relation: 1.780s Time for merge operator: 0.000s Time for stop operator: 0.001s Time for adding to reached set: 0.000s DelegatingARGBasedRefiner statistics ------------------------------------ Analysis 1 (ValueAnalysisRefiner): Number of selected refinement: 11 Number of finished refinement: 0 Analysis 2 (PredicateCPARefiner): Number of selected refinement: 11 Number of finished refinement: 11 ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 11 Number of targets found: 11 (count: 11, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.058s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 11 Avg. length of target path (in blocks): 24.00 (sum: 264, count: 11, min: 4, max: 44) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 3.236s Path-formulas extraction: 0.024s Counterexample analysis: 3.170s (Max: 0.726s, Calls: 11) Refinement sat check: 0.150s Interpolant computation: 2.999s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.015s Precision update: 0.008s ARG update: 0.013s Length of refined path (in blocks): 23.00 (sum: 253, count: 11, min: 3, max: 43) Number of affected states: 242 (count: 11, min: 2, max: 42, avg: 22.00) Length (states) of path with itp 'true': 0 (count: 11, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 242 (count: 11, min: 2, max: 42, avg: 22.00) Length (states) of path with itp 'false': 11 (count: 11, min: 1, max: 1, avg: 1.00) Different non-trivial interpolants along paths: 231 (count: 11, min: 1, max: 41, avg: 21.00) Equal non-trivial interpolants along paths: 0 (count: 11, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 11 Number of successful refinements: 11 Number of failed refinements: 0 Max. size of reached set before ref.: 2 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 2.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 5.121s Time for refinements: 3.340s Average time for refinement: 0.303s Max time for refinement: 0.741s CPA algorithm statistics ------------------------ Number of iterations: 13 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 13, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 12, min: 0, max: 0) Number of computed successors: 13 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1 Number of times breaked: 11 Total time for CPA algorithm: 1.781s (Max: 0.295s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.000s Time for transfer relation: 1.780s Time for merge operator: 0.000s Time for stop operator: 0.001s Time for adding to reached set: 0.000s DelegatingARGBasedRefiner statistics ------------------------------------ Analysis 1 (ValueAnalysisRefiner): Number of selected refinement: 11 Number of finished refinement: 0 Analysis 2 (PredicateCPARefiner): Number of selected refinement: 11 Number of finished refinement: 11 ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 11 Number of targets found: 11 (count: 11, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.058s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 11 Avg. length of target path (in blocks): 24.00 (sum: 264, count: 11, min: 4, max: 44) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 3.236s Path-formulas extraction: 0.024s Counterexample analysis: 3.170s (Max: 0.726s, Calls: 11) Refinement sat check: 0.150s Interpolant computation: 2.999s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.015s Precision update: 0.008s ARG update: 0.013s Length of refined path (in blocks): 23.00 (sum: 253, count: 11, min: 3, max: 43) Number of affected states: 242 (count: 11, min: 2, max: 42, avg: 22.00) Length (states) of path with itp 'true': 0 (count: 11, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 242 (count: 11, min: 2, max: 42, avg: 22.00) Length (states) of path with itp 'false': 11 (count: 11, min: 1, max: 1, avg: 1.00) Different non-trivial interpolants along paths: 231 (count: 11, min: 1, max: 41, avg: 21.00) Equal non-trivial interpolants along paths: 0 (count: 11, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 11 Number of successful refinements: 11 Number of failed refinements: 0 Max. size of reached set before ref.: 2 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 2.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 5.121s Time for refinements: 3.340s Average time for refinement: 0.303s Max time for refinement: 0.741s CPAchecker general statistics ----------------------------- Number of program locations: 39 Number of CFA edges (per node): 40 (count: 39, min: 0, max: 2, avg: 1.03) Number of relevant variables: 7 Number of functions: 4 Number of loops (and loop nodes): 0 (sum: 0, min: 0, max: 0, avg: 0.00) Size of reached set: 2 Number of reached locations: 2 (5%) Avg states per location: 1 Max states per location: 1 (at node N25) Number of reached functions: 1 (25%) Number of target states: 0 Time for analysis setup: 1.135s Time for loading CPAs: 0.398s Time for loading parser: 0.202s Time for CFA construction: 0.506s Time for parsing file(s): 0.256s Time for AST to CFA: 0.124s Time for CFA sanity check: 0.000s Time for post-processing: 0.079s Time for loop structure: 0.002s Time for AST structure: 0.000s Time for function pointers resolving: 0.003s Function calls via function pointers: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer calls: 0 (count: 1, min: 0, max: 0, avg: 0.00) Function calls with function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Time for classifying variables: 0.050s Time for collecting variables: 0.027s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.023s Time for exporting data: 0.000s Time for Analysis: 5.658s CPU time for analysis: 8.240s Time for analyzing result: 0.001s Total time for CPAchecker: 6.795s Total CPU time for CPAchecker: 10.450s Time for statistics: 0.069s Time for Garbage Collector: 0.067s (in 9 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: TRUE. No property violation found by chosen configuration. Exporting witnesses in Version 2.1 is currently WIP. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".